121441140531 has 12 divisors (see below), whose sum is σ = 176796202752. Its totient is φ = 80323273296.

The previous prime is 121441140523. The next prime is 121441140577. The reversal of 121441140531 is 135041144121.

It is a happy number.

121441140531 is a `hidden beast` number, since 1 + 2 + 14 + 4 + 114 + 0 + 531 = 666.

It is not a de Polignac number, because 121441140531 - 2³ = 121441140523 is a prime.

It is a super-2 number, since 2×121441140531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121441140495 and 121441140504.

It is not an unprimeable number, because it can be changed into a prime (121441140511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53122716 + ... + 53125001.

It is an arithmetic number, because the mean of its divisors is an integer number (14733016896).

Almost surely, 2^121441140531 is an apocalyptic number.

121441140531 is a deficient number, since it is larger than the sum of its proper divisors (55355062221).

121441140531 is a wasteful number, since it uses less digits than its factorization.

121441140531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106247850 (or 106247847 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 121441140531 its reverse (135041144121), we get a palindrome (256482284652).

The spelling of 121441140531 in words is "one hundred twenty-one billion, four hundred forty-one million, one hundred forty thousand, five hundred thirty-one".